HgExec.java

/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common * Development and Distribution License("CDDL") (collectively, the * "License"). You may not use this file except in compliance with the * License. You can obtain a copy of the License at * http://www.netbeans.org/cddl-gplv2.html * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the * specific language governing permissions and limitations under the * License. When distributing the software, include this License Header * Notice in each file and include the License file at * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun in the GPL Version 2 section of the License file that * accompanied this code. If applicable, add the following below the * License Header, with the fields enclosed by brackets [] replaced by * your own identifying information: * "Portions Copyrighted [year] [name of copyright owner]" * * If you wish your version of this file to be governed by only the CDDL * or only the GPL Version 2, indicate your decision by adding * "[Contributor] elects to include this software in this distribution * under the [CDDL or GPL Version 2] license." If you do not indicate a * single choice of license, a recipient has the option to distribute * your version of this file under either the CDDL, the GPL Version 2 or * to extend the choice of license to its licensees as provided above. * However, if you add GPL Version 2 code and therefore, elected the GPL * Version 2 license, then the option applies only if the new code is * made subject to such option by the copyright holder. * * Contributor(s): * * Portions Copyrighted 2008 Sun Microsystems, Inc. */package org.netbeans.nbbuild;
import java.io.File;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.taskdefs.ExecTask;
import org.apache.tools.ant.types.Commandline;
/** * Just like &lt;exec> but fixes the executable as <code>hg</code> (Mercurial). * Advantage is that it also checks for variants like <code>hg.cmd</code> etc. * See issue #134636. */00055publicclass HgExecextends ExecTask {
publicHgExec() {
List<String> cmd = hgExecutable();
super.setExecutable(cmd.get(0));
for (String arg : cmd.subList(1, cmd.size())) {
createArg().setValue(arg);
}
}
@Override
publicvoid setCommand(Commandline cmdl) {
thrownew BuildException("Cannot call this");
}
@Override
publicvoid setExecutable(String value) {
thrownew BuildException("Cannot call this");
}
/** * Get a command to run Hg. */00078publicstatic List<String> hgExecutable() {
String path = System.getenv("Path");
if (path != null) {
for (String component : path.split(File.pathSeparator)) {
if (new File(component, "hg").isFile() || new File(component, "hg.exe").isFile()) {
return Collections.singletonList("hg");
}
if (new File(component, "hg.cmd").isFile() || new File(component, "hg.bat").isFile()) {
return Arrays.asList("cmd", "/c", "hg");
}
}
}
return Collections.singletonList("hg");
}
}